Dr Alex Beck is a man still tortured by his past, eight years ago his beloved wife was brutally murdered and, worryingly short on evidence, the police attempted, but failed, to place the responsibility for her death at his door. When Alex receives a mysterious e-mail attachment showing what looks to be his long dead wife standing outside a tube-station his life once again spirals out of control, only this time he's not prepared for his grief to prevent him from attempting to uncover the truth ho find out more...